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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 73.2
edited by Xiaoling
on 2023/08/19 10:48
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To version 75.1
edited by Xiaoling
on 2023/08/19 11:07
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17 17  == 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
18 18  
19 19  
20 -The Dragino S31-NB and S31B-NB are **NB-IoT Temperature and Humidity Sensor** for Internet of Things solution. It is used to measure the surrounding **environment temperature and relative air humidity precisely**, and then upload to IoT server via NB-IoT network*.
20 +The Dragino S31-NB and S31B-NB are (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the surrounding (% style="color:blue" %)**environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
21 21  
22 -The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a **waterproof anti-condensation casing** for long term use.
22 +The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
23 23  
24 -S31-NB supports different uplink methods include **TCP, MQTT, UDP** for different application requirement. and Support Uplinks to various IoT Servers.
24 +S31-NB supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP** for different application requirement. and Support Uplinks to various IoT Servers.
25 25  
26 -S31-NB is powered by **8500mAh Li-SOCI2 battery**, It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
26 +S31-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
27 27  
28 28  *make sure you have NB-IoT coverage locally.
29 29  
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164 164  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
165 165  
166 166  
167 -== 1.8 Pin Definitions ==
167 +== 1.8 Pin Definitions & Switch ==
168 168  
169 +
170 +S31x-NB use the mother board from S31-NB which as below.
171 +
169 169  [[image:image-20230819104805-5.png]]
170 170  
171 171  
172 -== 1.8 Hardware Variant ==
173 173  
176 +=== 1.8.1 Jumper JP2 ===
174 174  
178 +
179 +Power on Device when put this jumper.
180 +
181 +
182 +=== 1.8.2 BOOT MODE / SW1 ===
183 +
184 +
185 +1) (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
186 +
187 +2) (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
188 +
189 +
190 +=== 1.8.3 Reset Button ===
191 +
192 +Press to reboot the device.
193 +
194 +
195 +
196 +== 1.9 Hardware Variant ==
197 +
198 +
175 175  (% border="1" cellspacing="5" style="width:472px" %)
176 176  |=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)Photo|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)Probe Info
177 177  |(% style="width:102px" %)(((
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